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How to list files based on sizes?

Posted on 2004-08-05
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Last Modified: 2010-04-21
Hi,

For you experts I guess it's a small thing, for me as newbie it's a puzzle.

I need a script (Bourne shell) which lists all files in a directory which are not 0 bytes.

So if the directory /tmp has the files
file1.dat   0Kb
file2.dat   3Kb
file3.dat   0Kb
file4.dat   1Kb
file5.dat   6Kb

I expect a string back like "/tmp/file2.dat /tmp/file4.dat /tmp/file5.dat"
And it would be nice if I could pass the directory as input parameter (or via variable)

Can anyone help?
Kind regards
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Question by:ehout
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10 Comments
 
LVL 45

Expert Comment

by:sunnycoder
ID: 11724315
Hi ehout,

find <dir> type -f -size +0

remove type -f part if you entries other than files to be listed too

Sunnycoder
0
 

Expert Comment

by:sri_prasanth
ID: 11724376
hiiii,
ls with -S option will give the  files  in the order of their sizes..................
if u want this in a sorted order then simply give this command

x=`ls -S /tmp`;
echo $x;

Now this x has the names of the files in sorted order of their sizes..................
0
 
LVL 3

Author Comment

by:ehout
ID: 11724392
Hi,

Thanx for the quick responses.
The sort order is not relevant. But the output of the function,(BTW, type -f seems to be written as -type f ) Must appear on 1 line. Can I catch it in a variable?
0
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Expert Comment

by:sri_prasanth
ID: 11724394
>I could pass the directory as input parameter (or via variable)

#say dir is ur variable which has the directory name then

x=`ls -S $dir`;
echo $x;

This would do that..............
0
 
LVL 45

Expert Comment

by:sunnycoder
ID: 11724402
var=`find <dir> -type f -size +0`
echo $var

sorry for the typo
0
 
LVL 3

Author Comment

by:ehout
ID: 11724404
Hai sri,

your option seems helpful,
However It lists all the files. But it should omit files of 0 bytes.

If there is a rm option that first will erase all o byte files, that's OK too.

0
 
LVL 3

Author Comment

by:ehout
ID: 11724413
Hai sunny,

Thanx for your input too, I'm learning a lot.

Your option actually lists what I want, but can I get these listed files on 1 line?

Reason is I have a certain mailscript and This way I can give multiple files as attachment.

0
 
LVL 45

Accepted Solution

by:
sunnycoder earned 1200 total points
ID: 11724418
Hi ehout,

I just posted that method
var=`find <dir> -type f -size +0`
echo $var
0
 
LVL 3

Author Comment

by:ehout
ID: 11724419
Wait... I was to quick... Your script does a terrific thing.
0
 
LVL 3

Author Comment

by:ehout
ID: 11724434
luv you ;-)
Sri, Thanks too for your effort, but sunny's thing was exactly what I needed.

Kind regards
0

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